Question

Solve the quadratic equation 121-a^2=0

Answer 1

Answer:

a = 11

Step-by-step explanation:

121 - $a^{2}$ = 0

121 = $a^{2}$

$a^{2}$= 121

a = $\sqrt{121}$

a = 11

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Answer 2

Step-by-step explanation:

121-a²=0

=(11)²-(a)²=0

=(11-a)(11+a) =0×0(using a²-b²=(a-b) (a+b))

let's find the value for a

11-a=0

a=11

and ,

11+a=0

a=-11

so,the value for a is 11,-11

HOPE IT WILL HELP YOU!!!